221.223.0.0/18

AS4808 · China Unicom Beijing Province Network

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Summary

Country	China
Domain	chinaunicom.cn
ASN	AS4808
Parent Range	221.223.0.0/16
Registry	APNIC
ID	UNICOM-BJ

WHOIS Details

inetnum:        221.216.0.0 - 221.223.255.255
netname:        UNICOM-BJ
descr:          China Unicom Beijing province network
descr:          China Unicom
country:        CN
admin-c:        CH1302-AP
tech-c:         SY21-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNCGROUP-BJ
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2021-11-09T07:38:09Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-02-24
mnt-by:         MAINT-CNCGROUP
last-modified:  2025-02-24T06:16:57Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-02-24
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-02-24T06:17:45Z
source:         APNIC

person:         ChinaUnicom Hostmaster
nic-hdl:        CH1302-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.21,Jin-Rong Street
address:        Beijing,100033
address:        P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CNCGROUP
last-modified:  2017-08-17T06:13:16Z
source:         APNIC

person:         sun ying
address:        fu xing men nei da jie 97, Xicheng District
address:        Beijing 100800
country:        CN
phone:          +86-10-66030657
fax-no:         +86-10-66078815
e-mail:         hostmast@publicf.bta.net.cn
nic-hdl:        SY21-AP
mnt-by:         MAINT-CNCGROUP-BJ
last-modified:  2009-06-30T08:42:48Z
source:         APNIC

route:          221.216.0.0/13
descr:          China Unicom Beijing Province Network
country:        CN
origin:         AS4808
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2016-05-20T01:24:03Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 221.223.0.0/18

Range	ASN	Company	Num of IPs
221.223.0.0/16	AS4808	China Unicom Beijing province network	65,536
221.216.0.0/13	AS4808	China Unicom Beijing province network	524,288

Nearby Ranges

BGP prefixes that overlap with 221.223.0.0/16

Range	ASN	Company	Num of IPs
221.216.0.0/13	AS4808	China Unicom Beijing province network	524,288
221.223.0.0/16	AS4808	China Unicom Beijing province network	65,536
221.223.128.0/18	AS4808	China Unicom Beijing province network	16,384
221.223.64.0/18	AS4808	China Unicom Beijing province network	16,384
221.223.192.0/18	AS4808	China Unicom Beijing province network	16,384

Hosted domains

There are 42 domain names hosted across 38 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
221.223.25.27	muchangge.com	2
221.223.24.131	rcspjl.top	1
221.223.26.239	da-congming.cn	1
221.223.25.207	songjinshu.com	1
221.223.45.30	gffwnj.top	1
221.223.50.219	felixbylu.top	1
221.223.34.214	bjlldtf.com	1
221.223.24.240	niubi.team	1
221.223.0.178	ivyhome.top	1
221.223.41.114	leehomcc.xyz	1
221.223.1.220	27647667.top	1
221.223.2.115	pagent.cc	1
221.223.26.227	garcex.top	1
221.223.2.144	kdxu.cn	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

5,703 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
221.223.2.40	AS4808 China Unicom Beijing Province Network	4.02ms from Beijing, CN
221.223.23.37	AS4808 China Unicom Beijing Province Network	5.49ms from Beijing, CN
221.223.3.80	AS4808 China Unicom Beijing Province Network	4.03ms from Beijing, CN
221.223.12.91	AS4808 China Unicom Beijing Province Network	3.57ms from Beijing, CN
221.223.26.63	AS4808 China Unicom Beijing Province Network	4.32ms from Beijing, CN
221.223.24.164	AS4808 China Unicom Beijing Province Network	3.97ms from Beijing, CN
221.223.7.175	AS4808 China Unicom Beijing Province Network	4.51ms from Beijing, CN
221.223.20.228	AS4808 China Unicom Beijing Province Network	5.05ms from Beijing, CN
221.223.1.245	AS4808 China Unicom Beijing Province Network	4.19ms from Beijing, CN
221.223.17.196	AS4808 China Unicom Beijing Province Network	5.67ms from Beijing, CN
221.223.21.173	AS4808 China Unicom Beijing Province Network	4.99ms from Beijing, CN
221.223.16.6	AS4808 China Unicom Beijing Province Network	5.12ms from Beijing, CN
221.223.4.20	AS4808 China Unicom Beijing Province Network	4.58ms from Beijing, CN
221.223.27.94	AS4808 China Unicom Beijing Province Network	3.98ms from Tianjin, CN
221.223.13.247	AS4808 China Unicom Beijing Province Network	4.10ms from Beijing, CN
221.223.18.148	AS4808 China Unicom Beijing Province Network	5.37ms from Beijing, CN
221.223.28.1	AS4808 China Unicom Beijing Province Network	5.20ms from Beijing, CN
221.223.22.139	AS4808 China Unicom Beijing Province Network	5.21ms from Tianjin, CN
221.223.15.121	AS4808 China Unicom Beijing Province Network	3.95ms from Beijing, CN
221.223.5.142	AS4808 China Unicom Beijing Province Network	4.34ms from Beijing, CN
221.223.14.243	AS4808 China Unicom Beijing Province Network	4.25ms from Beijing, CN
221.223.6.174	AS4808 China Unicom Beijing Province Network	4.25ms from Beijing, CN
221.223.25.76	AS4808 China Unicom Beijing Province Network	4.03ms from Beijing, CN
221.223.19.88	AS4808 China Unicom Beijing Province Network	5.59ms from Beijing, CN
221.223.0.1	AS4808 China Unicom Beijing Province Network	3.56ms from Tianjin, CN

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
68.233.34.2	AS397423 Tier.Net Technologies LLC	0.11ms from Ashburn, US
172.190.180.210	AS8075 Microsoft Corporation	0.41ms from Ashburn, US
72.87.109.194	AS701 Verizon Business	3.01ms from Boston, US
50.246.221.50	AS7922 Comcast Cable Communications, LLC	5.53ms from Denver, US
120.50.181.226	AS38067 Radiant Communications Limited	0.85ms from Dhaka, BD
71.168.66.2	AS13672 Consolidated Communications, Inc.	3.05ms from Montreal, CA
69.196.24.178	AS30336 Telecommunications Xittel inc.	3.16ms from Montreal, CA
221.112.212.242	AS17506 ARTERIA Networks Corporation	5.46ms from Osaka, JP
90.191.244.2	AS3249 Telia Eesti AS	4.11ms from Tallinn, EE
194.186.233.34	AS3216 PJSC "Vimpelcom"	0.13ms from Vladivostok, RU
178.199.90.130	AS3303 Swisscom (Switzerland) Ltd	0.73ms from Zuerich, CH
222.255.139.66	AS45899 VNPT Corp	0.54ms from Da Nang, VN
161.248.96.2	AS149147 GOFIBER SOFTWARE TECHNOLOGY COMPANY LIMITED	0.37ms from Ho Chi Minh City, VN
82.152.141.2	AS8851 GCI Network Solutions Limited	13.86ms from London, GB
213.139.88.242	AS9009 M247 Europe SRL	0.10ms from Madrid, ES
83.201.186.2	AS3215 Orange S.A.	17.51ms from Marseille, FR
120.157.94.146	AS1221 Telstra Limited	9.78ms from Melbourne, AU
100.24.18.210	AS14618 Amazon.com, Inc.	0.38ms from Reston, US
38.140.117.82	AS174 Cogent Communications	0.14ms from Secaucus, US
76.182.52.2	AS11426 Charter Communications Inc	7.59ms from Ashburn, US
44.232.224.82	AS16509 Amazon.com, Inc.	0.17ms from Boardman, US
190.136.177.34	AS7303 Telecom Argentina S.A.	1.48ms from Buenos Aires, AR
67.167.5.18	AS7922 Comcast Cable Communications, LLC	3.75ms from Chicago, US
27.8.78.194	AS4837 CHINA UNICOM China169 Backbone	3.67ms from Chongqing, CN
40.85.78.114	AS8075 Microsoft Corporation	0.25ms from Dublin, IE

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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